CVE-2023-32152

D-Link DIR-2640 HNAP LoginPassword Authentication Bypass Vulnerability. This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-2640 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the web management interface, which listens on TCP port 80 by default. A specially crafted login request can cause authentication to succeed without providing proper credentials. An attacker can leverage this vulnerability to bypass authentication on the system. . Was ZDI-CAN-19549.

• CWE-303

• https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10323Product, Vendor Advisory
• https://www.zerodayinitiative.com/advisories/ZDI-23-544/Third Party Advisory
• https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10323Product, Vendor Advisory
• https://www.zerodayinitiative.com/advisories/ZDI-23-544/Third Party Advisory

Published

May 3, 2024

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
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